public class GetMojo extends AbstractMojo {
    private static final Pattern ALT_REPO_SYNTAX_PATTERN = Pattern.compile("(.+)::(.*)::(.+)");

    @Parameter(defaultValue = "${session}", required = true, readonly = true)
    private MavenSession session;

    @Component
    private ArtifactResolver artifactResolver;

    @Component
    private DependencyResolver dependencyResolver;

    @Component
    private ArtifactHandlerManager artifactHandlerManager;

    /**
     * Map that contains the layouts.
     */
    @Component(role = ArtifactRepositoryLayout.class)
    private Map<String, ArtifactRepositoryLayout> repositoryLayouts;

    /**
     * The repository system.
     */
    @Component
    private RepositorySystem repositorySystem;

    private DefaultDependableCoordinate coordinate = new DefaultDependableCoordinate();

    /**
     * The groupId of the artifact to download. Ignored if {@link #artifact} is used.
     */
    @Parameter(property = "groupId")
    private String groupId;

    /**
     * The artifactId of the artifact to download. Ignored if {@link #artifact} is used.
     */
    @Parameter(property = "artifactId")
    private String artifactId;

    /**
     * The version of the artifact to download. Ignored if {@link #artifact} is used.
     */
    @Parameter(property = "version")
    private String version;

    /**
     * The classifier of the artifact to download. Ignored if {@link #artifact} is used.
     *
     * @since 2.3
     */
    @Parameter(property = "classifier")
    private String classifier;

    /**
     * The packaging of the artifact to download. Ignored if {@link #artifact} is used.
     */
    @Parameter(property = "packaging", defaultValue = "jar")
    private String packaging = "jar";

    /**
     * Repositories in the format id::[layout]::url or just url, separated by comma. ie.
     * central::default::https://repo.maven.apache.org/maven2,myrepo::::https://repo.acme.com,https://repo.acme2.com
     */
    @Parameter(property = "remoteRepositories")
    private String remoteRepositories;

    /**
     * A string of the form groupId:artifactId:version[:packaging[:classifier]].
     */
    @Parameter(property = "artifact")
    private String artifact;

    /**
     *
     */
    @Parameter(defaultValue = "${project.remoteArtifactRepositories}", readonly = true, required = true)
    private List<ArtifactRepository> pomRemoteRepositories;

    /**
     * Download transitively, retrieving the specified artifact and all of its dependencies.
     */
    @Parameter(property = "transitive", defaultValue = "true")

+ "read parameters documentation for detailed explanations");
        }
        filter.addFilter(new ScopeFilter(
                DependencyUtil.cleanToBeTokenizedString(this.includeScope),
                DependencyUtil.cleanToBeTokenizedString(this.excludeScope)));

        filter.addFilter(new TypeFilter(
                DependencyUtil.cleanToBeTokenizedString(this.includeTypes),
                DependencyUtil.cleanToBeTokenizedString(this.excludeTypes)));

        filter.addFilter(new ClassifierFilter(
                DependencyUtil.cleanToBeTokenizedString(this.includeClassifiers),
                DependencyUtil.cleanToBeTokenizedString(this.excludeClassifiers)));

        filter.addFilter(new GroupIdFilter(
                DependencyUtil.cleanToBeTokenizedString(this.includeGroupIds),
                DependencyUtil.cleanToBeTokenizedString(this.excludeGroupIds)));

        filter.addFilter(new ArtifactIdFilter(
                DependencyUtil.cleanToBeTokenizedString(this.includeArtifactIds),
                DependencyUtil.cleanToBeTokenizedString(this.excludeArtifactIds)));